package kr.hkit.powerjava.chapter06;

import java.util.Scanner;

public class exercise06 {
	public static void main(String[] args) {
		int month;
		int year = 2009;
		int days = 0;
		
		System.out.print("달 입력 : ");
		Scanner scan = new Scanner(System.in);	
		month = scan.nextInt();
		
		switch (month){
		case 1:   case 3:   case 5:   case 7:
		case 8:   case 10:  case 12:
			days = 31;
			break;
			
		case 4:   case 6:  case 9:   case 11:
			days = 30;
			break;
		
		case 2:
			if(((year % 4 == 0) && (year % 100 !=0)) || (year % 400 == 0))
				days = 29;
			else 
				days = 28;
			break;
			
		default:
			System.out.println("입력 잘못됨. 다시해라");
			break;
		}
		System.out.println(days);
	}
}
